Enablers in fbconvenience for Android port

Additions to make the convenience classes work for the
Qt for Android port.

Change-Id: I25ba0faf93c7e09ab04a3fa0784e04631e5ab036
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>

src/platformsupport/fbconvenience/qfbscreen.cpp

@@ -45,6 +45,7 @@
 #include "qfbbackingstore_p.h"
 
 #include <QtGui/QPainter>
+#include <qpa/qwindowsysteminterface.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -72,6 +73,9 @@ void QFbScreen::addWindow(QFbWindow *window)
     mWindowStack.prepend(window);
     invalidateRectCache();
     setDirty(window->geometry());
+    QWindow *w = topWindow();
+    QWindowSystemInterface::handleWindowActivated(w);
+    topWindowChanged(w);
 }
 
 void QFbScreen::removeWindow(QFbWindow *window)
@@ -79,6 +83,9 @@ void QFbScreen::removeWindow(QFbWindow *window)
     mWindowStack.removeOne(window);
     invalidateRectCache();
     setDirty(window->geometry());
+    QWindow *w = topWindow();
+    QWindowSystemInterface::handleWindowActivated(w);
+    topWindowChanged(w);
 }
 
 void QFbScreen::raise(QFbWindow *window)
@@ -89,6 +96,9 @@ void QFbScreen::raise(QFbWindow *window)
     mWindowStack.move(index, 0);
     invalidateRectCache();
     setDirty(window->geometry());
+    QWindow *w = topWindow();
+    QWindowSystemInterface::handleWindowActivated(w);
+    topWindowChanged(w);
 }
 
 void QFbScreen::lower(QFbWindow *window)
@@ -99,20 +109,25 @@ void QFbScreen::lower(QFbWindow *window)
     mWindowStack.move(index, mWindowStack.size() - 1);
     invalidateRectCache();
     setDirty(window->geometry());
+    QWindow *w = topWindow();
+    QWindowSystemInterface::handleWindowActivated(w);
+    topWindowChanged(w);
+}
+
+QWindow *QFbScreen::topWindow()
+{
+    foreach (QFbWindow *fbw, mWindowStack)
+        if (fbw->window()->type() == Qt::Window || fbw->window()->type() == Qt::Dialog)
+            return fbw->window();
+    return 0;
 }
 
 QWindow *QFbScreen::topLevelAt(const QPoint & p) const
 {
-    Q_UNUSED(p);
-#if 0
-    for (int i = 0; i < mWindowStack.size(); i++) {
-        if (mWindowStack[i]->geometry().contains(p, false) &&
-            mWindowStack[i]->visible() &&
-            !mWindowStack[i]->widget()->isMinimized()) {
-            return mWindowStack[i]->widget();
-        }
+    foreach (QFbWindow *fbw, mWindowStack) {
+        if (fbw->geometry().contains(p, false) && fbw->window()->isVisible())
+            return fbw->window();
     }
-#endif
     return 0;
 }
 
@@ -126,6 +141,24 @@ void QFbScreen::setDirty(const QRect &rect)
     }
 }
 
+void QFbScreen::setPhysicalSize(const QSize &size)
+{
+    mPhysicalSize = size;
+}
+
+void QFbScreen::setGeometry(const QRect &rect)
+{
+    delete mCompositePainter;
+    mCompositePainter = 0;
+    delete mScreenImage;
+    mGeometry = rect;
+    mScreenImage = new QImage(mGeometry.size(), mFormat);
+    invalidateRectCache();
+    QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), geometry());
+    QWindowSystemInterface::handleScreenAvailableGeometryChange(QPlatformScreen::screen(), availableGeometry());
+    resizeMaximizedWindows();
+}
+
 void QFbScreen::generateRects()
 {
     mCachedRects.clear();

src/platformsupport/fbconvenience/qfbscreen_p.h

@@ -64,6 +64,7 @@ public:
     virtual QImage::Format format() const { return mFormat; }
     virtual QSizeF physicalSize() const { return mPhysicalSize; }
 
+    QWindow *topWindow();
     virtual QWindow *topLevelAt(const QPoint & p) const;
 
     // compositor api
@@ -71,7 +72,12 @@ public:
     virtual void removeWindow(QFbWindow *window);
     virtual void raise(QFbWindow *window);
     virtual void lower(QFbWindow *window);
+    virtual void topWindowChanged(QWindow *){}
+
+public slots:
     virtual void setDirty(const QRect &rect);
+    void setPhysicalSize(const QSize &size);
+    void setGeometry(const QRect &rect);
 
 protected slots:
     virtual QRegion doRedraw();

src/platformsupport/fbconvenience/qfbwindow.cpp

@@ -43,6 +43,7 @@
 #include "qfbscreen_p.h"
 
 #include <QtGui/QScreen>
+#include <qpa/qwindowsysteminterface.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -71,7 +72,7 @@ void QFbWindow::setGeometry(const QRect &rect)
     mOldGeometry = geometry();
 
     platformScreen()->invalidateRectCache();
-    //### QWindowSystemInterface::handleGeometryChange(window(), rect);
+    QWindowSystemInterface::handleGeometryChange(window(), rect);
 
     QPlatformWindow::setGeometry(rect);
 }

src/platformsupport/fbconvenience/qfbwindow_p.h

@@ -58,7 +58,7 @@ public:
     virtual void raise();
     virtual void lower();
 
-    void setGeometry(const QRect &rect);
+    virtual void setGeometry(const QRect &rect);
 
     virtual void setWindowFlags(Qt::WindowFlags type);
     virtual Qt::WindowFlags windowFlags() const;